<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    .router-link-active{
      background-color: red;
    }
  </style>
</head>
<body>
  <div id="app">
    <router-link tag="button" to="/home">首页</router-link>
    <router-link tag="button" to="/news">新闻</router-link>
    <router-link tag="button" to="/about">关于</router-link>
    <hr>
    <router-view></router-view>
  </div>
  <script src="./vue.js"></script>
  <script src="./vue-router.js"></script>
  <script>
    const Home = {
      template:`
        <div>
          <h2>我是首页</h2>  
        </div>
      `
    }
    const News = {
      template:`
        <div>
          <h2>我是新闻页</h2>  
        </div>
      `
    }
    const About = {
      template:`
        <div>
          <h2>我是关于我们</h2>  
        </div>
      `
    }
    const routes = [ // 定义路由规则
      {
        path: '/home',
        component: Home
      },
      {
        path: '/news',
        component: News
      },
      {
        path: '/about',
        component: About
      }
    ]
    // 创建路由对象
    const router = new VueRouter({
      mode: 'history',
      routes
    });
    const vm = new Vue({
      el:"#app",
      router
    })
  </script>
</body>
</html>